/Engine/Source/Editor/StaticMeshEditor/Public/StaticMeshEditorSubsystem.h
Compute convex collisions for a set of static meshes. Any existing collisions will be removed from the static meshes. This method replicates what is done when invoking menu entry "Collision > Auto Convex Collision" in the Mesh Editor.
A boolean indicating if the addition was successful or not.
bool BulkSetConvexDecompositionCollisionsWithNotification ( const [TArray](API\Runtime\Core\Containers\TArray)< [UStaticMesh](API\Runtime\Engine\Engine\UStaticMesh) * > & StaticMeshes, int32 HullCount, int32 MaxHullVerts, int32 HullPrecision, bool bApplyChanges )